Home / 287,359.92-396,556.52-166,571.19

Finding the Fourth Proportional to 287,359.92, 396,556.52 and 166,571.19

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Solution

The fourth proportional to 287,359.92, 396,556.52 and 166,571.19 is: 229,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,359.92 : 396,556.52 = 166,571.19 : x
  2. Step 2: Convert to fraction form
    287,359.92/396,556.52 = 166,571.19/x
  3. Step 3: Cross multiply
    287,359.92x = 396,556.52 × 166,571.19
  4. Step 4: Simplify right side
    287,359.92x = 66,054,890,605.80
  5. Step 5: Solve for x
    x = 66,054,890,605.80/287,359.92
  6. Step 6: Final answer
    x = 229,868.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.